CN107199677B - Screw in injection molding machine - Google Patents
Screw in injection molding machine Download PDFInfo
- Publication number
- CN107199677B CN107199677B CN201710654189.XA CN201710654189A CN107199677B CN 107199677 B CN107199677 B CN 107199677B CN 201710654189 A CN201710654189 A CN 201710654189A CN 107199677 B CN107199677 B CN 107199677B
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- Prior art keywords
- screw
- head
- screw rod
- rod headstock
- check ring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
Abstract
The present invention relates to injection molding machine technical fields, are related to a kind of screw in injection molding machine.Hydraulic channel is equipped with inside its screw body, screw body left end is equipped with screw head, and screw head includes mounting base, screw rod headstock, screw head main body and check ring；Mounting base is set to screw body endface, and installation passage is equipped in the middle part of mounting base, is equipped with spring cavity in installation passage；Screw rod headstock includes screw rod headstock attachment base and screw rod headstock connecting rod, and screw rod headstock connecting rod protrudes into hydraulic channel；Screw rod headstock connecting rod right end is equipped with piston, and the first compressed spring is equipped between piston and spring cavity；Screw head main body includes screw head body head and screw head main body interconnecting piece；Check ring is connect by connecting screw with screw head body head right side, and connecting screw is arranged with the second compressed spring；Material channel is formed between check ring inner hole and screw head main body interconnecting piece, forms sealing surface between check ring right side and screw rod headstock attachment base left side.Structure of the invention is reasonable, convenient for assembly.
Description
Technical field
The present invention relates to injection molding machine technical fields, specifically, being related to a kind of screw in injection molding machine.
Background technique
Injection molding machine also known as injection (mo(u)lding) machine or injector, it is that thermoplastic or thermosetting property material are utilized plastic forming dies
The main molding equipment of plastic products of various shapes is made in tool.With the quickening of modernization construction step, injection molding machine is wide
It is general to be applied to building, packaging, electric appliance and electronic, agricultural, automobile, communications, light industry, petro chemical industry, mechanical industry, national defence
The every field of each department of the national economy such as industry and people's life, shows particularly important effect.Injection molding machine mainly wraps
Include the components such as feeding mechanism, barrel, screw rod and nozzle；Existing feeding mechanism is mostly single loading hopper, can not be compared with
The iron in plastic raw materials is cut goodly and is filtered out；Existing barrel can have a large amount of heat loss in process of production, from
And lead to the waste of the energy；Existing screw rod needs to move integrally in injection process, so that energy consumption is higher and there are biggish
Abrasion；Existing nozzle can have salivation phenomenon when injecting and completing, so as to cause the pollution of melt and the waste of material.
Summary of the invention
The contents of the present invention are to provide a kind of screw in injection molding machine, can overcome certain or certain defects of the prior art.
Screw in injection molding machine according to the present invention comprising screw body, screw body include screw body, outside screw body
Side is equipped with spiral shell rib, and screw body is axially inside penetratingly equipped with hydraulic channel；Screw body left end is equipped with screw head, screw head
Including mounting base, screw rod headstock, screw head main body and check ring；Mounting base is fixed at screw body endface, in mounting base
Portion and hydraulic channel are coaxially equipped with installation passage, and the nearly screw head main part of installation passage extends to form spring cavity to periphery；Spiral shell
Head seat includes screw rod headstock attachment base, is equipped with screw rod headstock connecting rod, screw rod headstock connecting rod on the right side of screw rod headstock attachment base
It is protruded into hydraulic channel by installation passage；Screw rod headstock connecting rod right end is equipped with piston, between piston and the left side of spring cavity
Equipped with the first compressed spring；Screw head main body includes the tapered screw head body head of construction, screw head body head right side
Equipped with columned screw head main body interconnecting piece is configured to, connect on the left of screw head main body interconnecting piece right end and screw rod headstock attachment base
It connects；Check ring is connect by connecting screw with screw head body head right side, and connecting screw is fixed with screw head body head
Connection, connecting screw slidably cooperates with check ring, and connecting screw is arranged with the between check ring and screw head body head
Two compressed springs；Material channel, check ring right side and screw rod headstock are formed between check ring inner hole and screw head main body interconnecting piece
Attachment base forms sealing surface between left side.
In the present invention, in plasticizing, screw rod headstock attachment base is close to a left side for mounting base under the action of the first compressed spring
The plastics of end face, melting can push check ring to the left, so that melt can flow to screw head master via material channel
Side, it should here be understood that, the elastic force that the second compressed spring provides should be lower than elastic force provided by the first compressed spring；
In injection, it can be passed through hydraulic oil in hydraulic channel, so that the first compressed spring of piston overpowers is pushed to move downward, at this point,
Check ring clamping screw headstock attachment base under the action of the second compressed spring, so as to preferably prevent screw head main body side
The melt adverse current at place.
By above-mentioned construction, so that in injection, screw body does not need to carry out axial movement, so as to preferably
Abrasion suffered by spiral shell rib is reduced, and does not also need excessive external force in injection process and then also can preferably reduce to be molded into
This.
In addition, screw rod headstock connecting rod can be connected through a screw thread with piston, screw head main body interconnecting piece can be with screw rod
Headstock attachment base is also threaded connection.This makes when being assembled, can be logical by the insertion installation of screw rod headstock connecting rod first
In road, it is sequentially loaded into the first compressed spring and piston later, mounting base is packed into the endface of screw body later；Secondly, will
Check ring is transferred at screw head main body, is later again connect screw head main body interconnecting piece with screw rod headstock attachment base, be can be completed
Assembly；Consequently facilitating assembly.
Preferably, mounting base is connect by soket head cap screw with screw head main body.To preferably realize mounting base
With the connection of screw body.
Preferably, close fit between screw rod headstock connecting rod and installation passage.So as to preferably prevent melt flow
Enter inside screw body.
Preferably, sealing surface includes the sealing inclined-plane being formed at screw rod headstock attachment base end face edge, at check ring
It is formed with the seal groove protruded into for screw rod headstock attachment base, seal groove is configured with for closed with screw rod headstock attachment base end face
The primary sealing area of cooperation, the secondary sealing area for cooperating with sealing inclined-plane and be used for and screw rod headstock attachment base side cooperate
Third sealing surface.So that being capable of forming preferable sealing between check ring right side and screw rod headstock attachment base left side.
Preferably, being equipped with slide slot at mounting base left side, screw rod headstock attachment base is slideably closed with slide slot
Cooperation.So as to further prevent melt from flowing into inside screw body.
Preferably, screw head main body is equipped with material flow path axially outside.Consequently facilitating the flowing of melt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on the top of the screw body in embodiment 1；
Fig. 2 is the structural schematic diagram of the tail end of the screw body in embodiment 1；
Fig. 3 is the schematic diagram of the nozzle ontology in embodiment 2；
Fig. 4 is the schematic diagram of the feeding device ontology in embodiment 3；
Fig. 5 is the cross-sectional view of the feeding device ontology in embodiment 3；
Fig. 6 is the schematic diagram of one of embodiment 4 material cylinder structure.
In the present invention, the nouns of locality such as all "upper", "lower", "left", "right" are all based in corresponding figure for visual angle,
Such description merely to it is clearer, compactly technical solution of the present invention is described, rather than to the technology of the present invention side
Case makees any restriction.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only to the present invention explain and and it is non-limiting.
Embodiment 1
A kind of screw in injection molding machine is present embodiments provided, can preferably be applied in a variety of existing injection molding machines.
As shown in connection with fig. 1, a kind of screw in injection molding machine of the present embodiment includes screw body 100, and screw body 100 includes spiral shell
Bar main body 110, spiral shell rib 111 is equipped on the outside of screw body 110, and screw body 110 is axially inside penetratingly equipped with hydraulic channel
112；110 left end of screw body is equipped with screw head 120, and screw head 120 includes mounting base 121, screw rod headstock 122, screw head master
Body 123 and check ring 124；Mounting base 121 is fixed at 110 endface of screw body, 121 middle part of mounting base and hydraulic channel
112 are coaxially equipped with installation passage 121a, and the nearly screw head main body of installation passage 121a 123 extends to form spring cavity to periphery
121b；Screw rod headstock 122 includes screw rod headstock attachment base 122a, is equipped with screw rod headstock on the right side of screw rod headstock attachment base 122a and connects
Bar 122b, screw rod headstock connecting rod 122b are protruded into hydraulic channel 112 by installation passage 121a；Screw rod headstock connecting rod 122b
Right end is equipped with piston 122c, and the first compressed spring 122d is equipped between piston 122c and the left side of spring cavity 121b；Screw head master
Body 123 includes constructing tapered screw head body head 123a, is equipped on the right side of screw head body head 123a and is configured to cylinder
Connect on the left of the screw head main body interconnecting piece 123b of shape, screw head main body interconnecting piece 123b right end and screw rod headstock attachment base 122a
It connects；Check ring 124 is connect by connecting screw 124a with the right side screw head body head 123a, connecting screw 124a and screw rod
Head body head 123a is fixedly connected, and connecting screw 124a slidably cooperates with check ring 124, and connecting screw 124a is located at non-return
The second compressed spring 124b is arranged between ring 124 and screw head body head 123a；124 inner hole of check ring and screw head main body connect
Material channel 131 is formed between socket part 123b, and sealing is formed between 124 right side of check ring and the left side screw rod headstock attachment base 122a
Face 132.
In the present embodiment, in plasticizing, screw rod headstock attachment base 122a is close under the action of the first compressed spring 122d
The plastics of the left side of mounting base 121, melting can push check ring 124 to the left, so that melt can be via material
Channel 131 flow to 123 side of screw head main body, it should here be understood that, the elastic force that the second compressed spring 124b is provided should be low
The elastic force provided by the first compressed spring 122d；In injection, it can be passed through hydraulic oil in hydraulic channel 112, to push
Piston 122c overcomes the first compressed spring 122d to move downward, at this point, check ring 124 is under the action of the second compressed spring 124b
Clamping screw headstock attachment base 122a, so as to preferably prevent the melt adverse current at 123 side of screw head main body.
By above-mentioned construction, so that the present embodiment screw body 110 in injection does not need to carry out axial movement, thus
Abrasion suffered by spiral shell rib 111 can be preferably reduced, and excessive external force is not needed in injection process yet in turn also can be preferable
Ground reduces injection molding cost.
In addition, screw rod headstock connecting rod 122b and piston 122c is connected through a screw thread in the present embodiment, screw head main body connects
Socket part 123b and screw rod headstock attachment base 122a is also threaded connection.This makes the present embodiment when being assembled, can be first
Screw rod headstock connecting rod 122b is inserted into installation passage 121a, is sequentially loaded into the first compressed spring 122d and piston later
Mounting base 121 is packed into the endface of screw body 110 by 122c later；Secondly, check ring 124 is transferred to screw head main body 123
Screw head main body interconnecting piece 123b, connect again with screw rod headstock attachment base 122a later, assembly can be completed by place；Consequently facilitating
Assembly.
In the present embodiment, mounting base 121 is connect by soket head cap screw 121c with screw body 110, thus preferably real
The connection of mounting base 121 Yu screw body 110 is showed.
In the present embodiment, close fit between screw rod headstock connecting rod 122b and installation passage 121a.So as to preferably
Prevent melt from flowing into inside screw body 110.
In the present embodiment, sealing surface 132 includes the sealing inclined-plane being formed at screw rod headstock attachment base 122a end face edge,
It is formed with the seal groove protruded into for screw rod headstock attachment base 122a at check ring 124, seal groove, which is configured with, to be used for and screw head
It the primary sealing area of seat attachment base 122a end face close fit, the secondary sealing area for cooperating with sealing inclined-plane and is used for and spiral shell
The third sealing surface of the head seat side attachment base 122a cooperation.So that 124 right side of check ring and screw rod headstock attachment base
Preferable sealing is capable of forming between the left side 122a.
As an improvement project of the present embodiment, slide slot, screw rod headstock can also be equipped at 121 left side of mounting base
Attachment base 122a can slideably with slide slot close fit.So as to further prevent melt from flowing into screw body
Inside 110.
In the present embodiment, screw head main body 123 is equipped with material flow path 123c axially outside.Consequently facilitating the stream of melt
It is dynamic.
As shown in connection with fig. 2, the tail end of screw body 110 is equipped with driving section 210, and 210 side wall of driving section is equipped with keyway 211,
Keyway 211 can be circumferentially fixed with transmission gear cooperation, thus preferably facilitate exterior power by gear drive be passed to spiral shell
Bar main body 110；In addition, being equipped with rotation section 220 on the right side of driving section 210, rotation section 220 passes through a bearing 241 and a hydraulic oil container
The cooperation of 230 side walls, and rotation section 220 is protruded into inside hydraulic oil container 230, and 241 two sides of bearing are respectively equipped with the first oil sealing 242 and the
Two oil sealings 243 are equipped with hydraulic oil inlet 231 at hydraulic oil container 230.Made by such structure, hydraulic oil can be by hydraulic
Fuel tank 230 is flowed into hydraulic channel 112 and then is pushed to piston 122c, so that the entrance of hydraulic oil not will receive spiral shell
The interference that bar main body 110 rotates.
Embodiment 2
A kind of injection nozzle structure for injection molding machine is present embodiments provided, a variety of existing injection moldings can be preferably applied to
In machine.
As shown in figure 3, a kind of injection nozzle structure for injection molding machine of this implementation includes nozzle ontology 300.
Wherein, nozzle ontology 300 includes nozzle seat 310, connects a hollow connector sleeve 320, hollow company on the left of nozzle seat 310
A nozzle head 330 is connected on the left of female connector 320；Nozzle head 330 includes nozzle head mounting base 331 and nozzle lid 332, the installation of nozzle head
Seat 331 is connect with hollow connector sleeve 320, and nozzle lid 332 is set at nozzle head mounting base 331；
Nozzle seat 310 and 331 middle part of nozzle head mounting base are coaxially respectively equipped with shooting channel 311 and sliding channel
331a, the both ends of a mandril 340 respectively slidably with shooting channel 311 and sliding channel 331a close fit；Nozzle seat 310
Left side, which is located on the inside of hollow connector sleeve 320, is equipped with a first circular excitation winding 312, and nozzle head mounting base 331 is right
End face, which is located on the inside of hollow connector sleeve 320, is equipped with a second circular excitation winding 331b, is located at first on the outside of mandril 340
An annular iron plate 341 is equipped between excitation winding 312 and the second excitation winding 331b；
Shooting chamber 333 is formed between nozzle head mounting base 331 and nozzle lid 332,340 middle part edge of mandril, which is axially arranged with, to be used for
It is connected to the shooting runner 342 in shooting channel 311 and shooting chamber 333；Shape design of the shooting chamber 333 at nozzle lid 332 is at certainly
It is right and left diminishing round table-like, and shooting chamber 333 forms injection hole 333a at 332 left side of nozzle lid；Mandril 340 is left
End is equipped with a jacking block 343, and 343 outer wall of jacking block can carry out close fit with 333 inner wall of shooting chamber at nozzle lid 332；Mandril
340 side-walls for being located at shooting chamber 333 are equipped with the shooting mouth 344 in connecting morphism stream road 342, between shooting mouth 344 and iron plate 341
Away from the spacing for being greater than the left side sliding channel 331a and iron plate 341.
The injection nozzle structure of the present embodiment, in injection, the first excitation winding 312 can be passed through exciting current, so that
First excitation winding 312 can adsorb iron plate 341, at this time melt can from shooting channel 311 via shooting runner 342 from penetrating
It is flowed into shooting chamber 333 at material mouth 344, so that melt can flow into mold from injection hole 333a；It is completed in injection
When, the second excitation winding 331b can be passed through exciting current, so that the second excitation winding 331b can adsorb iron plate 341,
Jacking block 343 can shut injection hole 333a from inside at once at this time, so as to preferably prevent because of the melt in shooting chamber 333
Outflow, caused by material waste, production hidden danger the problems such as.
In the present embodiment, outwardly projecting first erecting bed 313,313 outer wall of the first erecting bed are equipped on the right side of nozzle seat 310
Equipped with external screw thread.So that nozzle seat 310 can be preferably installed at injecting machine material tube.
In the present embodiment, outwardly projecting second erecting bed 314 is equipped on the left of nozzle seat 310, nozzle head mounting base 331 is right
Side be equipped with outwardly projecting third erecting bed 331c, hollow 320 both ends of connector sleeve be equipped with for respectively with the second erecting bed 314
The first screw thread mounting groove being threadedly engaged with third erecting bed 331c.To which structure is simple, convenient for assembly.
In the present embodiment, outwardly projecting 4th erecting bed 331d, nozzle lid 332 are equipped on the left of nozzle head mounting base 331
Place is equipped with the second screw thread mounting groove for being threadedly engaged with the 4th erecting bed 331d.To which structure is simple, convenient for assembly.
Embodiment 3
A kind of feeding device for injection molding machine is provided in the present embodiment, can preferably apply to a variety of existing notes
In molding machine.
As shown in connection with fig. 4, the feeding device of the present embodiment includes feeding device ontology 400.
Wherein, feeding device ontology 400 includes feed hopper 410, and 410 upper opening of feed hopper is feed opening, feed hopper 410
Lower opening is discharge port；410 side-walls of feed hopper are equipped with multiple sieve pores 411, and 410 outside of feed hopper is equipped with shield 420,
Closed cavity is formed between shield 420 and feed hopper 410；Third excitation winding 430 is equipped on the inside of shield 420, third is encouraged
It is equipped with plastic layer 440 on the inside of magnetic winding 430, forms independent dust-collecting cavity 450, dust between 420 outer wall of plastic layer 440 and shield
450 bottom of chamber is equipped with ash hole 451.
In the present embodiment, plastic raw materials can enter feed hopper 410 from feed opening, be passed through in third excitation winding 430
When exciting current, the iron adulterated in plastic raw materials, which is cut, to be adsorbed in dust-collecting cavity 450 via sieve pore 411, so as to compared with
The iron adulterated in plastic raw materials is removed goodly to cut；It should here be understood that the aperture of sieve pore 411 should meet plastic raw materials not
It can be across the condition of sieve pore 411.In addition, the iron when third excitation winding 430 is no longer passed through exciting current, in dust-collecting cavity 450
450 bottom of dust-collecting cavity can be fallen into and then drop out from ash hole 451 by cutting, to preferably realize the regular of dust-collecting cavity 450
Clearing function.
As shown in connection with fig. 5, the first lauter tub 480 of opening upwards, 480 upper surface side of the first lauter tub are equipped in feed hopper 410
Edge is connect with the feed opening inner circumferential of feed hopper 410, and blanking clearance 481 is equipped between the first lauter tub 480 and feed hopper 410；First filter
The second lauter tub 490 of opening upwards is rotationally equipped in bucket 480, on 490 upper surface edge of the second lauter tub and the first lauter tub 480
The connection of end face inner circumferential；First lauter tub, 480 side wall is uniformly distributed circumferentially a plurality of the first mistake extended in the vertical direction
Expect that strip shape gob 482,490 side wall of the second lauter tub are uniformly distributed circumferentially a plurality of the second punishment in advance extended in the vertical direction
Strip shape gob 491, the quantity of the first punishment in advance strip shape gob 482 is identical as the quantity of the second punishment in advance strip shape gob 491, passes through the second filter of rotation
Bucket 490, the first punishment in advance strip shape gob 482 can be completely enclosed or fully open.Made by such structure, plastic raw materials can
Initially enter inside the second lauter tub 490, after through the second punishment in advance strip shape gob 491 and the first punishment in advance strip shape gob 482 flow to blanking
In gap 481, it is to flow to discharge outlet close to 410 inner wall of feed hopper that this, which makes all plastic raw materials all, so that third
Excitation winding 430 can preferably cut the iron in plastic raw materials and clear up.In addition, by adjusting the first punishment in advance strip shape gob
482 and second punishment in advance strip shape gob 491 relative position, additionally it is possible to preferably to the plastic raw materials entered in blanking clearance 481
Partial size is screened, so as to preferably guarantee the homogeneity of plastic raw materials.It, can be right also, when injection molding is near completion
First punishment in advance strip shape gob 482 is completely enclosed, so as to preferably prevent accumulation of the plastic raw materials in feed hopper 410.
In the present embodiment, 410 superstructure of feed hopper at hollow cylindrical, 410 infrastructure of feed hopper at it is interior without leave on
Diminishing shaped hollow round table under and.Consequently facilitating blanking.
In the present embodiment, the discharge outlet of feed hopper 410 is connected with discharge pipe 460, is equipped with and send inside discharge pipe 460
Expect screw rod 461.Consequently facilitating blanking.
In the present embodiment, sealing cover 470 is removably equipped at the feed opening of feed hopper 410,470 top of sealing cover is equipped with
Feeding tube 471.So as to preferably to being protected inside feed hopper 410.
Embodiment 4
A kind of material cylinder structure for injection molding machine is present embodiments provided, a variety of existing injection moldings can be preferably applied to
In machine.
As shown in connection with fig. 6, the material cylinder structure of the present embodiment includes barrel shell 610.
Wherein, along the melting chamber 611 being axially arranged with for screw in injection molding machine to be arranged, barrel shell 610 in barrel shell 610
Side-walls are equipped with the hopper mouth 612 and exhaust outlet 613 being connected to melting chamber 611, and charging dress is equipped at hopper mouth 612
It sets, injection nozzle structure is equipped at the one end opposite with feed inlet 612 of barrel shell 610；
It is equipped with heating device 620 on the outside of barrel shell 610, is wound with recuperation of heat pipeline 630 on the outside of heating device 620；Heat
Recovery channel 630 and exhaust outlet 613 pass through one first valve 641 and the second valve 642 while the height with a heat exchanger 650 respectively
Warm medium entrance connection, the high-temperature medium exit of heat exchanger 650 are equipped with one first pump housing 660；The cryogenic media of heat exchanger 650
Import is connect with a heat transferring medium container 670, and the cryogenic media outlet of heat exchanger 650 is equipped with one second pump housing 680.
The material cylinder structure of the present embodiment can be preferably to barrel shell after arranged high-temperature steam at exhaust outlet 613 and shutdown
Waste heat at 610 is recycled, thus energy saving, environmentally protective.
In the present embodiment, the pump discharge of first pump housing 660 is connected to heat transferring medium container 670.So as to preferably right
Medium after cooling is recycled.
In the present embodiment, the first valve 641 and the second valve 642 are solenoid valve.So as to preferably to the first valve
Door 641 and the second valve 642 are controlled.
Embodiment 5
Present embodiments provide a kind of injection molding machine comprising any or various structures in Examples 1 to 4.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (6)
1. screw in injection molding machine, it is characterised in that: including screw body (100), screw body (100) includes screw body (110),
Spiral shell rib (111) are equipped on the outside of screw body (110), screw body (110) is axially inside penetratingly equipped with hydraulic channel
(112)；Screw body (110) left end is equipped with screw head (120), and screw head (120) includes mounting base (121), screw rod headstock
(122), screw head main body (123) and check ring (124)；Mounting base (121) is fixed at screw body (110) endface, peace
It fills and is coaxially equipped with installation passage (121a) with hydraulic channel (112) in the middle part of seat (121), the nearly screw head master of installation passage (121a)
Body (123) portion extends to form spring cavity (121b) to periphery；Screw rod headstock (122) includes screw rod headstock attachment base (122a), spiral shell
Screw rod headstock connecting rod (122b) is equipped on the right side of head seat attachment base (122a), screw rod headstock connecting rod (122b) is logical by installation
Road (121a) protrudes into hydraulic channel (112)；Screw rod headstock connecting rod (122b) right end is equipped with piston (122c), piston (122c)
The first compressed spring (122d) is equipped between the left side of spring cavity (121b)；Screw head main body (123) includes that construction is tapered
Screw head body head (123a), be equipped on the right side of screw head body head (123a) and be configured to columned screw head main body and connect
It is connect on the left of socket part (123b), screw head main body interconnecting piece (123b) right end and screw rod headstock attachment base (122a)；Check ring
(124) it is connect by connecting screw (124a) with the right side screw head body head (123a), connecting screw (124a) and screw rod
Head body head (123a) is fixedly connected, and connecting screw (124a) slidably cooperates with check ring (124), connecting screw (124a)
The second compressed spring (124b) is arranged between check ring (124) and screw head body head (123a)；In check ring (124)
Material channel (131) are formed between hole and screw head main body interconnecting piece (123b), check ring (124) right side is connect with screw rod headstock
Seat forms sealing surface (132) between the left side (122a).
2. screw in injection molding machine according to claim 1, it is characterised in that: mounting base (121) passes through soket head cap screw
(121c) is connect with screw body (110).
3. screw in injection molding machine according to claim 1, it is characterised in that: screw rod headstock connecting rod (122b) and installation passage
Close fit between (121a).
4. screw in injection molding machine according to claim 1, it is characterised in that: sealing surface (132) includes being formed in screw rod headstock
Sealing inclined-plane at attachment base (122a) end face edge is formed with for screw rod headstock attachment base (122a) at check ring (124)
The seal groove protruded into, seal groove be configured with for the end face screw rod headstock attachment base (122a) close fit primary sealing area,
Secondary sealing area for cooperating with sealing inclined-plane and the third for cooperating with the screw rod headstock attachment base side (122a) seal
Face.
5. screw in injection molding machine according to claim 1, it is characterised in that: slide slot is equipped at mounting base (121) left side,
Screw rod headstock attachment base (122a) slideably with slide slot close fit.
6. screw in injection molding machine according to claim 1, it is characterised in that: screw head main body (123) is equipped with axially outside
Material flow path (123c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654189.XA CN107199677B (en) | 2017-08-03 | 2017-08-03 | Screw in injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654189.XA CN107199677B (en) | 2017-08-03 | 2017-08-03 | Screw in injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107199677A CN107199677A (en) | 2017-09-26 |
| CN107199677B true CN107199677B (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710654189.XA Active CN107199677B (en) | 2017-08-03 | 2017-08-03 | Screw in injection molding machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538696B (en) * | 2017-10-13 | 2019-05-10 | 丹阳市永达模塑有限公司 | A kind of injection molding extruder head sizing material anti-reversing clutch |
| CN111844655B (en) * | 2020-07-18 | 2021-12-03 | 宁波博纳机械有限公司 | Injection molding machine is used in plastics product processing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175983Y (en) * | 2007-12-05 | 2009-01-07 | 广东佳明机器有限公司 | PET special injection moulding apparatus for injection moulding machine |
| CN203945610U (en) * | 2014-07-25 | 2014-11-19 | 宁波威瑞精密机械有限公司 | Self-sealing is crossed glue head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0213265A (en) * | 2001-10-18 | 2004-10-26 | Community Entpr Llc | Multilayer Injection Molding Machine |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175983Y (en) * | 2007-12-05 | 2009-01-07 | 广东佳明机器有限公司 | PET special injection moulding apparatus for injection moulding machine |
| CN203945610U (en) * | 2014-07-25 | 2014-11-19 | 宁波威瑞精密机械有限公司 | Self-sealing is crossed glue head |
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